.vimrc

set nocompatible                     " be iMproved
set undodir=~/.vim/undo,.
filetype off                         " required

" install vim-plug if not already installed
source ~/.vim/autoload/plug.vim

call plug#begin()
Plug 'jistr/vim-nerdtree-tabs'
Plug 'othree/eregex.vim',            " Perl style regexp notation
Plug 'tomasr/molokai'                " Molokai color scheme
Plug 'scrooloose/syntastic'          " Syntax checking hacks
Plug 'majutsushi/tagbar'             " Display tags in a window
Plug 'SirVer/ultisnips'              " The ultimate snippet solution
Plug 'bling/vim-airline'             " Lean & mean status/tabline
Plug 'enricobacis/vim-airline-clock' " vim-airline clock extension
Plug 'tpope/vim-fugitive'            " awesome git wrapper
Plug 'terryma/vim-multiple-cursors'  " Sublime Text style multiple selection
Plug 'thinca/vim-quickrun'           " Run commands quickly
Plug 'tpope/vim-sensible'            " Defaults everyone can agree on
Plug 'mhinz/vim-signify'             " Show a diff via Vim sign column
Plug 'honza/vim-snippets'            " UltiSnips snippets
Plug 'tpope/vim-unimpaired'          " Pairs of handy bracket mappings
Plug 'rking/ag.vim',                 { 'on':  'Ag' }                 " Vim plugin for the_silver_searcher
Plug 'kien/ctrlp.vim',               { 'on':  'CtrlPTag' }           " Fuzzy file, buffer, mru, tag, finder
Plug 'sjl/gundo.vim',                { 'on':  'GundoToggle' }        " Graph your Vim undo tree in style
Plug 'vim-scripts/LanguageTool',     { 'on':  'LanguageToolCheck' }  " Grammar checker in vim
Plug 'scrooloose/nerdtree',          { 'on':  'NERDTreeToggle' }     " A tree explorer plugin
Plug 'alfredodeza/pytest.vim',       { 'for': 'python' }             " Runs your UnitTests with py.test
Plug 'tmhedberg/SimpylFold'
Plug 'ternjs/tern_for_vim',          { 'for': 'javascript', 'do': 'npm install', 'frozen': 1 }
Plug 'rdnetto/YCM-Generator',        { 'branch': 'stable' }          " YouCompleteMe generator
Plug 'Valloric/YouCompleteMe',       { 'for': ['c','cpp','javascript','python'], 'do': './install.py --clang-completer', 'frozen': 1 }
Plug 'vim-scripts/indentpython.vim'
Plug 'nvie/vim-flake8'
Plug 'jnurmine/Zenburn'
Plug 'altercation/vim-colors-solarized'
Plug 'jistr/vim-nerdtree-tabs'
Plug 'Lokaltog/powerline', {'rtp': 'powerline/bindings/vim/'}
Plug 'tomasr/molokai'


call plug#end()

" Enable color formattation
syntax enable

" Set bash as vim shell
set shell=/bin/bash

" Enable 256 colors
set t_Co=256

" show line number
set number

" define where to open splits
set splitbelow
set splitright

" visual autocomplete for command menu
set wildmenu


" show command in bottom bar
set showcmd

" prevent cursor for reaching the first/last line
set scrolloff=1

" It's 21st century.
noremap j gj
noremap k gk
set backspace=indent,eol,start

" hidden characters
set list listchars=tab:»\ ,trail:·

" highlight current line
set cursorline

" smart incremental search
set ignorecase
set smartcase
set incsearch

" highlight search
set hlsearch
" Clear search highlighting
map <C-l> :nohlsearch<CR>

" make Q like q (exit)
command! Q q

" Nerd tree
let NERDTreeIgnore =['\~$', '.DS_Store$']              " Temporary files
let NERDTreeIgnore+=['\.png$', '\.pdf$', '\.eps$']     " Image files
let NERDTreeIgnore+=['\.pyc$', '__pycache__$']         " Python compiled files
let NERDTreeIgnore+=['\.o$', '\.so$', '\.a$']          " C compiled files
autocmd VimEnter * NERDTree
autocmd VimEnter * NERDTreeTabsOpen



" Gundo
nnoremap <leader>gt :GundoToggle<CR>
let g:gundo_close_on_revert = 1

" always show airline
set laststatus=2
let g:airline#extensions#whitespace#show_message = 0
let g:airline_powerline_fonts=1
let g:airline#extensions#tabline#enabled = 1
let g:airline#extensions#tabline#show_buffers = 0
let g:airline#extensions#tabline#tab_min_count = 2
let g:airline#extensions#tabline#show_splits = 1

" Fugitive
autocmd User Fugitive SignifyRefresh

" Signify
let g:signify_vcs_list = ['git', 'svn']

" Quickrun
let g:quickrun_config = {}
let g:quickrun_config._ = {'outputter': 'message'}

" Pytest
nmap <leader>t :Pytest file<CR>

" Theme
silent! colorscheme molokai
let g:molokai_original = 1
let g:rehash256 = 1

" Allow saving of files as sudo when I forgot to start vim using sudo.
cmap w!! w !sudo tee > /dev/null %

" Wrap lines when using vimdiff
autocmd FilterWritePre * if &diff | setlocal wrap< | endif

" Put arrow keys at work
nmap <Left> <<
nmap <Right> >>
nmap <Up> [e
nmap <Down> ]e
vmap <Left> <gv
vmap <Right> >gv
vmap <Up> [egv
vmap <Down> ]egv

" Resize
nnoremap <silent> <Leader>+ :exe "resize " . (winheight(0) * 3/2)<CR>
nnoremap <silent> <Leader>- :exe "resize " . (winheight(0) * 2/3)<CR>

" jj for esc
inoremap jj <Esc>

" CtrlP extra bindings
map <leader>p :CtrlPTag<CR>

" Tagbar binding
nmap <F8> :TagbarToggle<CR>

" Eregex
nnoremap <leader>/ :call eregex#toggle()<CR>
let g:eregex_default_enable = 0

" ctags utilities
set tags=./tags;/
map <leader>q <C-]>

" YouCompleteMe
let g:ycm_confirm_extra_conf = 0
let g:ycm_add_preview_to_completeopt = 1
let g:ycm_autoclose_preview_window_after_completion = 1
let g:ycm_goto_buffer_command = 'new-or-existing-tab'
nnoremap <leader>f :YcmCompleter FixIt<CR>
nnoremap <leader>g  :YcmCompleter GoToDefinition<CR>
nnoremap <leader>gd  :YcmCompleter GoToDeclaration<CR>

" UltiSnip
let g:UltiSnipsExpandTrigger = "<C-j>"
let g:UltiSnipsJumpForwardTrigger = "<C-j>"
let g:UltiSnipsJumpBackwardTrigger = "<C-k>"

" LanguageTool
let g:languagetool_jar='/opt/LanguageTool/languagetool-commandline.jar'

" easy motions between splits
map <leader>h <C-W>h
map <leader>j <C-W>j
map <leader>k <C-W>k
map <leader>l <C-W>l

" toggle paste mode with <F4>
set pastetoggle=<F4>

" tabs
set tabstop=4 softtabstop=4 shiftwidth=4 expandtab smarttab

" use single folder for swap files
set directory=~/.vim/swap,.

" Enable folding
set foldmethod=indent
set foldlevel=99

" Enable folding with the spacebar
nnoremap <space> za

" maintain undo history between sessions
set undofile
let g:SimpylFold_docstring_preview=1

au BufNewFile,BufRead *.py
    \ set tabstop=4 |
    \ set softtabstop=4 |
    \ set shiftwidth=4 |
    \ set textwidth=79 |
    \ set expandtab |
    \ set autoindent |
    \ set fileformat=unix |

"define BadWhitespace before using in a match
highlight BadWhitespace ctermbg=red guibg=darkred
au BufRead,BufNewFile *.py,*.pyw,*.c,*.h match BadWhitespace /\s\+$/
set encoding=utf-8

"python with virtualenv support
py << EOF
import os
import sys
if 'VIRTUAL_ENV' in os.environ:
  project_base_dir = os.environ['VIRTUAL_ENV']
  activate_this = os.path.join(project_base_dir, 'bin/activate_this.py')
  execfile(activate_this, dict(__file__=activate_this))
EOF

let python_highlight_all=1
syntax on

set nu

let g:molokai_original = 1
let g:rehash256 = 1

nnoremap tn  :tabnew<CR>
nnoremap tx  :tabnext<CR>
nnoremap tp  :tabprevious<CR>
map <Leader>n <plug>NERDTreeTabsToggle<CR>
let &colorcolumn=join(range(81,999),",")
let &colorcolumn="80,".join(range(400,999),",")
set clipboard=unnamedplus
vmap <C-c> "+y
" session related.
" Default session is located `~/.session_'. The suffix `_' is a dirty
" solution, just like the one-element tuple `(tuple_eliment,)' in Python..
cnoremap <C-O> source ~/.session_
cnoremap <C-S> mksession! ~/.session_
nnoremap <silent> <C-S><C-S> :mksession! ~/.session_ <CR>

command PdbUp : normal Oimport pdb; pdb.set_trace()<ESC>
command PdbDown : normal oimport pdb; pdb.set_trace()<ESC>
nnoremap <C-P> :PdbUp<CR>
nnoremap <C-D> :PdbDown<CR>